Futurebasic/Language/Reference/abs
Appearance
Abs
[edit | edit source]Function
[edit | edit source]✔ Appearance ✔ Standard ✔ Console
Syntax
[edit | edit source]positiveValue = abs( expr )
Description
[edit | edit source]The abs
function returns the absolute value of the numeric expression expr
.
The absolute value of a number is its distance from zero. Thus, the number 3 has an absolute value of 3, while the number -12.34 has an absolute value of 12.34. The absolute value of zero is zero.
Notes
[edit | edit source]The standard abs
function can accept either an integer or a floating-point expr
parameter.
FB provides also the usr abs
routine which originally used to execute faster with 68K applications. This is no longer the case, but the function is still present in the language for backward compatibility.